(19)
(11) EP 0 094 346 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.02.1984 Bulletin 1984/06

(43) Date of publication A2:
16.11.1983 Bulletin 1983/46

(21) Application number: 83810182

(22) Date of filing: 02.05.1983
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL

(30) Priority: 06.05.1982 US 375586

(71) Applicant: SWS INCORPORATED
 ()

(72) Inventor:
  • Nilsen, Carl J.
     ()

   


(54) Apparatus for continuous laser welding


(57) An apparatus for continuous laser welding adjacent longitudinally extending of generally tubular shaped members is disclosed. The apparatus comprises a Z-bar guide (3) for positioning and guiding the edges as they are moved toward a welding area with a laser welding device (4) for welding the edges, and a mandrel (5) connected to the Z-bar guide and extending internally and in the direction of movement of the members. The mandrel includes a laser beam dump (6) positioned adjacentthe welding area for absorbing lightfrom a laser beam produced by the laser welding device (4) and at least one roller (7) for internally supporting and guiding the generally tubular shaped members.






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